#include <stdio.h>
int main(void)
{
    int BigToSmall[10] = {9, 8, 7, 6, 5, 4, 3, 2, 1, 0};
    int i, j, c_exchg;
    for(j = 0; j < 9; j ++)
    {
        for(i = j + 1; i < 10; i ++)
        {
            if(BigToSmall[j] > BigToSmall[i])
            {
                c_exchg = BigToSmall[j];
                BigToSmall[j] = BigToSmall[i];
                BigToSmall[i] = c_exchg;
            }
        }
    }

    for(i = 0; i < 10; i ++)
    {
        printf("%d, ", BigToSmall[i]);
    }
    return 0;
}